2127789

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:362

約数の個数: 20

約数和(自身を含む): 3221020

約数和(自身を除く): 1093231

約数列:

[1, 3, 9, 27, 81, 109, 241, 327, 723, 981, 2169, 2943, 6507, 8829, 19521, 26269, 78807, 236421, 709263, 2127789]

約数ペア:

[(1, 2127789), (3, 709263), (9, 236421), (27, 78807), (81, 26269), (109, 19521), (241, 8829), (327, 6507), (723, 2943), (981, 2169)]